| 释义 |
secondary structuren.（名词）- The protein structure characterized by folding of the peptide chain into an alpha helix, beta pleated sheet, or random coil.二级结构：蛋白质结构，特征是将肽链折迭成α螺旋、β结构或不规则螺旋
- The folded, helical structure of double-stranded DNA.二级结构：双链脱氧核糖核酸折迭且呈螺旋状的结构
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